Help with SSIS version error

Im working through the SSIS 2005 step by step book.. When I load one of the example solutions I get an error message about incompatible versions. I updated to SP1; but, that doesnt seem to have helped.

Any ideas?

Thanks
Ron

Error 1 Validation error. Data Flow Task - Lookup Names: DTS.Pipeline: The version of component "SQL Server Destination - MatchedNames" (171) is not compatible with this version of the DataFlow. NewProducts.dtsx 0 0

Using examples as well as descriptions, and references to Books Online, show the documentation available for datatypes, explain the available data types and show how data can be passed into and out of variables.